Hacker, Jonathan
Oxford University Press, 1991
Buku Teks
Sainsbury, R.M., author
Routledge, 2010
Buku Teks
Breen, Susan, author
A Plume Book, 2008
Buku Teks
Vice, Sue, author
Routledge, 2000
Buku Teks
Grassian, Daniel
McFarland and Company, 1992
Buku Teks